diff options
Diffstat (limited to 'board/hoperun/hihope-rzg2')
| -rw-r--r-- | board/hoperun/hihope-rzg2/Kconfig | 15 | ||||
| -rw-r--r-- | board/hoperun/hihope-rzg2/MAINTAINERS | 6 | ||||
| -rw-r--r-- | board/hoperun/hihope-rzg2/Makefile | 9 | ||||
| -rw-r--r-- | board/hoperun/hihope-rzg2/hihope-rzg2.c | 105 |
4 files changed, 135 insertions, 0 deletions
diff --git a/board/hoperun/hihope-rzg2/Kconfig b/board/hoperun/hihope-rzg2/Kconfig new file mode 100644 index 00000000000..ee422ba6c8f --- /dev/null +++ b/board/hoperun/hihope-rzg2/Kconfig @@ -0,0 +1,15 @@ +if TARGET_HIHOPE_RZG2 + +config SYS_SOC + default "rmobile" + +config SYS_BOARD + default "hihope-rzg2" + +config SYS_VENDOR + default "hoperun" + +config SYS_CONFIG_NAME + default "hihope-rzg2" + +endif diff --git a/board/hoperun/hihope-rzg2/MAINTAINERS b/board/hoperun/hihope-rzg2/MAINTAINERS new file mode 100644 index 00000000000..e3702fd12e7 --- /dev/null +++ b/board/hoperun/hihope-rzg2/MAINTAINERS @@ -0,0 +1,6 @@ +HIHOPE_RZG2 BOARD +M: Biju Das <biju.das.jz@bp.renesas.com> +S: Maintained +F: board/hoperun/hihope-rzg2/ +F: include/configs/hihope-rzg2.h +F: configs/hihope_rzg2_defconfig diff --git a/board/hoperun/hihope-rzg2/Makefile b/board/hoperun/hihope-rzg2/Makefile new file mode 100644 index 00000000000..e989e7aacc5 --- /dev/null +++ b/board/hoperun/hihope-rzg2/Makefile @@ -0,0 +1,9 @@ +# +# board/hoperun/hihope-rzg2/Makefile +# +# Copyright (C) 2021 Renesas Electronics Corporation +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := hihope-rzg2.o ../../renesas/rcar-common/common.o diff --git a/board/hoperun/hihope-rzg2/hihope-rzg2.c b/board/hoperun/hihope-rzg2/hihope-rzg2.c new file mode 100644 index 00000000000..a60529f7805 --- /dev/null +++ b/board/hoperun/hihope-rzg2/hihope-rzg2.c @@ -0,0 +1,105 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * board/hoperun/hihope-rzg2/hihope-rzg2.c + * This file is HiHope RZ/G2M board support. + * + * Copyright (C) 2021 Renesas Electronics Corporation + */ + +#include <common.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/processor.h> +#include <asm/arch/rmobile.h> +#include <asm/arch/rcar-mstp.h> +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/libfdt.h> + +#define RST_BASE 0xE6160000 +#define RST_CA57RESCNT (RST_BASE + 0x40) +#define RST_CA53RESCNT (RST_BASE + 0x44) +#define RST_CA57_CODE 0xA5A5000F +#define RST_CA53_CODE 0x5A5A000F + +DECLARE_GLOBAL_DATA_PTR; +#define HSUSB_MSTP704 BIT(4) /* HSUSB */ + +/* HSUSB block registers */ +#define HSUSB_REG_LPSTS 0xE6590102 +#define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14) +#define HSUSB_REG_UGCTRL2 0xE6590184 +#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10 +#define HSUSB_REG_UGCTRL2_RESERVED_3 0x1 /* bit[3:0] should be B'0001 */ + +#define PRR_REGISTER (0xFFF00044) + +int board_init(void) +{ + u32 i; + + /* address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000; + + /* Configure the HSUSB block */ + mstp_clrbits_le32(SMSTPCR7, SMSTPCR7, HSUSB_MSTP704); + /* + * We need to add a barrier instruction after HSUSB module stop release. + * This barrier instruction can be either reading back the same MSTP + * register or any other register in the same IP block. So like linux + * adding check for MSTPSR register, which indicates the clock has been + * started. + */ + for (i = 1000; i > 0; --i) { + if (!(readl(MSTPSR7) & HSUSB_MSTP704)) + break; + cpu_relax(); + } + + /* Select EHCI/OHCI host module for USB2.0 ch0 */ + writel(HSUSB_REG_UGCTRL2_USB0SEL_EHCI | HSUSB_REG_UGCTRL2_RESERVED_3, + HSUSB_REG_UGCTRL2); + /* low power status */ + setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL); + + return 0; +} + +void reset_cpu(ulong addr) +{ + unsigned long midr, cputype; + + asm volatile("mrs %0, midr_el1" : "=r" (midr)); + cputype = (midr >> 4) & 0xfff; + + if (cputype == 0xd03) + writel(RST_CA53_CODE, RST_CA53RESCNT); + else + writel(RST_CA57_CODE, RST_CA57RESCNT); +} + +#if defined(CONFIG_MULTI_DTB_FIT) +/* If the firmware passed a device tree, use it for board identification. */ +extern u64 rcar_atf_boot_args[]; + +static bool is_hoperun_hihope_rzg2_board(const char *board_name) +{ + void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]); + bool ret = false; + + if ((fdt_magic(atf_fdt_blob) == FDT_MAGIC) && + (fdt_node_check_compatible(atf_fdt_blob, 0, board_name) == 0)) + ret = true; + + return ret; +} + +int board_fit_config_name_match(const char *name) +{ + if (is_hoperun_hihope_rzg2_board("hoperun,hihope-rzg2m") && + !strcmp(name, "r8a774a1-hihope-rzg2m-u-boot")) + return 0; + + return -1; +} +#endif |